Where does “nonblocker” come from?

nonblocker (English) comes from English blocker, from German blocken, from German block, from Middle High German bloc, from Old High German bloc, from Proto-Germanic *blokk, from Proto-Germanic blukką, from Proto-Indo-European bhulg'- — thick plank, beam, pile, prop.

nonblocker (English): A subset of vertices in an undirected graph, all of which are adjacent to vertices outside of the subset

Definitions

  1. A subset of vertices in an undirected graph, all of which are adjacent to vertices outside of the subset

Ancestry of “nonblocker”, step by step

nonblocker traces back through two separate lines of ancestry.

via English blocker

StepLanguageWordMeaning
1EnglishblockerAgent noun of block; something that blocks...
2Germanblockento block
3Germanblockbloc
4Middle High Germanbloc
5Old High Germanblocblock
6Proto-Germanic*blokk
7Proto-Germanicblukkąblock, log
8Proto-Indo-Europeanbhulg'-
9Proto-Indo-Europeanbhelg'-thick plank, beam, pile, prop

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European bhelg'-
nonblocker — Etymology, Origin & Word History | Etymology Explorer